Date: Thu, 30 Aug 2001 22:23:56 +0900 (JST) From: Hajimu UMEMOTO <ume@mahoroba.org> To: mwm@mired.org Cc: ume@mahoroba.org Subject: Re: Freezes in 4.4RC on SMP Kernel and gkrellm Message-ID: <20010830.222356.125820097.ume@mahoroba.org> In-Reply-To: <15245.51106.120852.616240@guru.mired.org> References: <15245.28607.676147.717891@guru.mired.org> <20010829155138.F60349-100000@snapple.webct.com> <15245.51106.120852.616240@guru.mired.org>
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>>>>> On Wed, 29 Aug 2001 23:57:06 -0500
>>>>> Mike Meyer <mwm@mired.org> said:
mwm> Turns out that gkrellm can be *very* hazardous to your system. I've
mwm> got a situation where the system panics every time I start gkrellm. I
mwm> believe this is a bug in gkrellm, not in the system.
I didn't thought this thread lead to GKrellM problem. X-(
mwm> From looking over gkrellm's code, it assumes that any smb device it
mwm> finds is the one it knows about - and proceeds to try and extract data
mwm> from it. This seems like a bad idea - at least in this case.
Yes, it is dirty. However, I have no idea to distinguish if smb is
mapped to initpm. I wish to fix it. Is there any way to do it?
mwm> gkrellm also has the problem that it initializes every monitor it
mwm> knows about, even if that one isn't being displayed. Without the smb
mwm> devices, it uses /dev/io, and that's left open so that gkrellm can
mwm> lower it's privileges after opening the file. This means bugs in other
mwm> modules could stroke /dev/io in some strange way - and I believe
mwm> that's the root cause of the freezes I'm seeing.
I wish to have a generic method to obtain temperature, fan speed and
voltage without any extra privilege.
mwm> I've installed gkrellm WITHOUT_SENSOR=yes - which sgid instead of suid
mwm> - and enabled all the things that I had on when the system was
mwm> freezing before, except the sensors.
I'll turn sensor support off by default for workaround.
Sincerely,
--
Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan
ume@mahoroba.org ume@bisd.hitachi.co.jp ume@{,jp.}FreeBSD.org
http://www.imasy.org/~ume/
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